Why does Beyoncé have the highest grossing female tour...
... of This Generation Globally?
The Mrs. Carter Show Tour grossed $230 million worldwide. Most of the tour didn't have any new materiel.
*bonus* Beyoncé grossed another $110 million from 21 dates a few months later. So, that's $340 million between April 2013 - Sept. 2014. Could Beyoncé's next tour gross $300 million+?
I'm very impressed at how she grew into a touring juggernaut in the latter part of her career. I don't see her surpassing the Mrs. Carter Tour but I could be wrong.